Remove unused include.

vector is not used by this file (and this breaks the Android framework
build).

R=sugoi@google.com, bungeman@google.com

Author: scroggo@google.com

Review URL: https://codereview.chromium.org/251483004

git-svn-id: http://skia.googlecode.com/svn/trunk@14361 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed